Home / 1,313,905.60-1,970,858.40-367,274.80

Finding the Fourth Proportional to 1,313,905.60, 1,970,858.40 and 367,274.80

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Solution

The fourth proportional to 1,313,905.60, 1,970,858.40 and 367,274.80 is: 550,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,905.60 : 1,970,858.40 = 367,274.80 : x
  2. Step 2: Convert to fraction form
    1,313,905.60/1,970,858.40 = 367,274.80/x
  3. Step 3: Cross multiply
    1,313,905.60x = 1,970,858.40 × 367,274.80
  4. Step 4: Simplify right side
    1,313,905.60x = 723,846,624,688.32
  5. Step 5: Solve for x
    x = 723,846,624,688.32/1,313,905.60
  6. Step 6: Final answer
    x = 550,912.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.